<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<style type="text/css">
			.father {
				height: 200px;
				writing-mode: vertical-lr;
				background-color: #f0f3f9;
			}

			.son {
				width: 200px;
				height: 100px;
				margin: auto;
				background-color: #cd0000;
			}
		</style>
	</head>

	<body>
		<div class="father">
			<div class="son"></div>
		</div>

	</body>

	<script>
	</script>

</html>
